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Definitions

formaldehyde

[fawr-mal-duh-hahyd, fer-] / fɔrˈmæl dəˌhaɪd, fər- /
NOUN
preservative
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The unusually high formaldehyde levels detected by satellites served as evidence that methane breakdown was taking place.

From Science Daily • May 10, 2026

The suit claims xAI’s 27 turbines emit nitrogen oxides and formaldehyde, linked to asthma, heart problems, and cancers.

From Barron's • Apr. 14, 2026

Composite wood products can be bound with formaldehyde.

From BBC • Mar. 16, 2026

Eventually, the discovery of formaldehyde and the use of embalming fluids reduced the demand for cadavers, as did the growing number of people donating their bodies to science.

From The Wall Street Journal • Jan. 5, 2026

It stank of formaldehyde and, even through the cloth, felt unpleasantly moist.

From "Miss Peregrine's Home for Peculiar Children" by Ransom Riggs




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